Chaotic is a game of stealthy and strategy, incredible Creatures and miraculous "Mugic" sweeping the globe. Players trade unique, coded Chaotic cards online and in person. When Tom's best friend Kaz insists Chaotic is a real place where players can transport to and do battle, Tom writes it off as a fantasy gone too far.

Tom's first match in Chaotic is off to a shaky start. No one told him that, when you play in the Chaotic BattleDromes, you become the Creatures! Soon, Tom discovers there are even greater surprises in Perim, the world outside Chaotic. As he reels from the reality of his "split personality" created by Chaotic technology, he struggles to survive his shocking "ScanQuest" in Perim while he races to recover his discarded scanner back on Earth.

While Tom does battle with Peyton in the BattleDromes, Kaz goes on a ScanQuest in Perim to scan the VileDriver.

Kaz does battle with an undefeated Chaotic player while Sarah and Peyton tell Tom of the history of Perim and the war for the Cothica.

Kaz does battle with Klay in a battle of the Battle Gear while Tom heads to Perim to scan Yokkis.

Tom agrees to use the very weak Bodal in his next match, putting him in serious jeopardy.

After Sarah is captured by the Danians, Tom, Kaz, and Peyton embark on a rescue mission to save her only to be captured themselves.

When Tom agrees to a match with Klay. Krystalla tells Klay of Tom's strategy before Klay faces him, and Klay uses the Flux Bauble to cause major problems for Tom in the match.

Tom and Kaz head to Castle Bodhran in Perim to recover Reggie's missing Scanner, but Tom finds himself wagering his prized card Maxxor in a Challenge Match.

Tom and Kaz are captured by Maxxor in their search for Reggie, and Tom and Maxxor must overcome their distrust for each other for their own survival, against the Mipedians.

Kaz is summoned to a secret meeting by Chaor, lord of the Underworld, and is ordered to do battle with a Chaotic player who has a Lord Van Bloot card when the real Lord Van Bloot plans to stage a revolution against Chaor.

Peyton and Krystella clash in battle while Sarah tells Tom of the Overworld heroine Intress.

Tom rescues a player in the wilds of Perim and battles him to gain some tips, finding that the player is actually a CodeMaster.

Kaz gains a new scan that is actually two creatures in one - Borth-Majar. Soon after, he finds himself using Borth-Majar in a match and must master controlling two creatures as one.

Peyton wants to trade Mipedian creatures for Tom's scan but Tom declines as he distrusts them after what happened with Reggie and Mudeenu. He says Overworlders are better so Peyton takes him to the Mipedian desert. Tom's opinion changes when he and Peyton are attacked by an evil scorpioid Overworlder named Slruhk.

Kaz tags along with Tom hoping to get a new scan of his hero, the mighty Maxxor. Their quest takes the two friends across Perim, where they are caught in the crossfire of a volcanic battle, then brave a treacherous trip through the ghastly Gloomuck Swamp. As Tom and Kaz close in on their goal, they are shocked to learn that the greatest peril they face is Maxxor himself!

When Kaz and Peyton's 'friendly' squabble spins out of control, Tom decides the only solution is a 'Scavenger Scan' match. Kaz and Peyton have one hour to scrape up all the scans they need for a match. The clock is ticking as the desperate duo speed through Perim, scavenging scans and dodging danger – then it's off to the BattleDrome for the most chaotic Chaotic battles ever.

Tom and friends face their greatest Chaotic challenge ever – the all-powerful, all-terrifying, all-destructive Allmageddon Attack. The only hope to combat this fearsome force lies in a crazed creature named Hoton. Can our heroes find a way to stop the unstoppable before Peyton gets Allmageddoned? Little do they know, Peyton has a plan to beat it.

Tom finally has a new scan of Maxxor, but when he transforms into the awesome OverWorld leader during a Drome match, Tom makes a startling discovery – the once brave warrior is now a quivering coward. Seeking to unravel the mystery of Maxxor's illness, Tom must 'port to Lake Ken-i-po to consult with Najarin – if he can survive the Mugic trap inside the old wizard's castle.

With info from Najarin, Tom searches for the mystical Callstone that may reverse Lord Von Bloot's Decomposition Mugic on Maxxor. Can he find the stone, evade Lord Von Bloot, and get to Maxxor before Chaor destroys him?

Kaz's scanquest in the Crystal Range goes south when Pyrithion traps Blugon in an energy field before heading up the mountain to attack Raimusa. With Blugon unable to deliver to his friend the Battlegear and Mugic he needs to beat Pyrithion, Kaz must brave a treacherous shortcut to get the delivery to the summit in time. Tom battles in the Drome with a kid who has scans of the shortcut, and guides Kaz.

A hot-shot group of Chaotic players, dubbing themselves the ChaotiKings, offers Kaz a chance to join their prestigious clique. Torn between friendship and popularity, Kaz sets out to become the ChaotiKings' newest member – if he can survive the initiation.

When Tom, Peyton, and Kaz sneak into Castle Mommark to scan some of the geneticist's latest experiments, Peyton accidentally releases the cute little starfish creature Stelgar into the wilds of Perim. Out in the sunlight, Stelgar turns into a giant, rampaging monster. Can Peyton find some way to safely stop Stelgar before Mommark's followers destroy him?

After seven victories in the Crellan Drome, Tom is challenged to another match by CodeMaster Crellan. In preparation for his match, he scans Mugic that he is tricked by Klay and Krystella into believing it will double his power, but it really switches their stats. Can Tom overcome this bump in the road and defeat CodeMaster Crellan?

Tom's match against Crellan continues. He manages to defeat Cromax several times, only for him to keep coming back. After Tom finds the reason for this problem in the form of Ariak, the battle comes down to Maxxor vs Cromax. At that point, Klay and Krystella's little trick becomes Tom's trump card.

Peyton leads the other to a hidden location on a map that he received that will lead him to a creature called Iparu. However, Rothar has secretly followed them.

Peyton thinks victory is a sure thing when he challenges "Lulu the Loser," a nervous and inexperienced player on a losing streak worse than his own.

Tom and Sarah square off in Battledrome Hortekk while Peyton and Kaz attempt to obtain a scan of the Flux Bauble.

Ulmar has created a machine that will port the UnderWorlders to Chaotic. However, his machine causes wormholes to appear through Perim causing the UnderWorlders, the OverWorlders, the Mipedians, and the Danians to appear in Chaotic. Kaz is forced to choose sides as he learns that the creatures of Perim are planning an invasion of Earth.

Tom and his friends go on an adventure in an underwater sub with Antideon to face Nauthilax.

Kaz faces HotShot, a battler who specializes in fire attacks. To his surprise, he uses every tribe except UnderWorlders.

Tom ports to Prexxor Chasm, the Location scan he won after defeating Codemaster Krellan. When he does get a scan of its bottom and faces off against Peyton, both of them have an encounter with a slimy thing that's not even a creature. A thing that has Smildon and the other inhabitants of Prexxor Chasm frightened.

Kaz enlists the help of a Chaotic trainer named Grook after finding himself on a losing streak.

Sarah needs a Song of Mandibloor, and has Tom, Kaz, and Peyton Trading and trekking in both the real world and Chaotic to get her the cards she needed for a long trade sequence to get the mugic.

Tom and Kaz face Klay and Krystella in a four-way match after trying to scan the Phobia Mask.

After Tom and Kaz defeat Klay and Krystella, the two try to back out of the deal but encounter a creature known as Opto.

Tom finds himself facing and losing to an increased number of UnderWorld deck players, so he decides to use an UnderWorld deck of his own. Kaz is thrilled and decides to help him out until his friend ends up on a hot winning streak without his help. Thinking that his friend will end up as a better UnderWorld player, Kaz secretly tries to convince Tom to turn back to his Overworlders.

During a fight, Kaz discovers that his opponent has a creature he has never faced before: a flying Danian named Vollash. So Sarah vows to get a scan of him, and her search leads to a fateful showdown between a Mipedian spy and the Danian Queen.

Tom camps out at Lake Ken-I-Po to obtain a scan of Najarin, and decides to track the creature, leading him to a pack of UnderWorld raiders.

Both Tom and Kaz have six wins in the Imthor Drome so Tom surprises Kaz with a Drome challenge with the winner going on to face CodeMaster Imthor. However, when Kaz accuses Tom of cheating and Tom admits to it, CodeMaster Imthor bans Tom from Chaotic Battles while it is investigated.

Tom flees to Perim after Kaz accuses him of cheating. His exile takes a treacherous turn when Tom runs into a gang of rogue Chaotic Players who are destroying rare Locations in the OverWorld. Tom is pressured into joining their scheme and soon has nowhere left to run. After thwarting their plan, it was revealed Tom never cheated, it was all a plan he and Kaz made to stop the rogue players.

When Tom and Kaz aid an OverWorld diplomat named Raznus, they earn Maxxor's thanks. All seems well until Tom makes a disturbing discovery back in Chaotic. Is Raznus truly Maxxor's best friend... or his most devious enemy?

There’s a new kid in Chaotic! Buzz Jr. is a talented Danian Player. Unfortunately, the boy’s demanding dad is taking the sting out of his game. It’s up to Kaz to show the blustering Buzz Sr. that Drome battling is tougher than he thinks.

During a scan quest, Peyton and Sarah encounter the biggest fighter they've ever seen. Kaz, Tom, Sarah and Peyton decide to track down the giant. But trouble comes for Kaz he bumps into a little creature called Hammerdoom Chantcaller who challenges Kaz to the coliseum and he has to battle or be banished from the Underworld.

Peyton is shocked to learn that he is battling the lead singer of his favorite band, and is offered free tickets to the next concert if he can win.

While exploring Fear Valley, Kaz runs into Chaor training four UnderWorlders in his latest attack on the OverWorlders.

Chaor's mission into OverWorld territory is threatened when Maxxor finds out about his scheme.

Peyton is beaten by Kaz and wishes to make the ultimate Drome match, but Sarah drags Kaz to Mount Pillar instead to locate a Danian BattleGear called the Mandiblor Crown as a way to repay her for obtaining a scan of Geltod. Meanwhile, Peyton and Tom face off in a match with 105 creatures on each side. Both of them get tired and sleep at the end.

Tom and Kaz go on a topsy-turvy adventure when they look for Sarah and Peyton in Kirvak Mound. They soon discover that the effects of Kirvak Mound has deaged Sarah to a little girl and aged Peyton to an old man. They now have to evade prehistoric creatures to find their way back. When they look for Sarah, they find other portals leading to various points in history which would lead to various futures.

Tom and company explore a giant temple for treasures to scan and discover much more than they bargained for. When one of the defense mechanisms mesmerizes Tom into a deadly trap, the rest of the gang (along with Larina) try to save him and Blazier.

Battling in the Crellan Drome, Peyton faces his most fearsome foe ever -- a huge Creature with a titanic temper and pulverizing powers, known as a Mipedian Warbeast. A player named Connor, with help from Klay and Krystella, tricks Peyton into trading 20 of his cards for a scan of the Mipedian Warbeast Blazvatan.

An unusual UnderWorld Creature named Phelphor is found frozen inside Ice Pillar by UnderWorlders. In the castle, Chaor, Agitos, and Takinom are amazed by Phelphor's tale of a lost tribe called M’arrillians and their discovery of the Cothica, Perim's greatest treasure, which they hold behind the Doors of the Deep Mines. Chaor states they will discuss opening the Doors to retrieve the Cothica.

Chaor and Lord Van Bloot's armies fight, with Chaor going after Phelphor. Phelphor mind controls the guards into opening the Doors of the Deep Mines first, letting out a flood of murky brown water that washes away everything in its path. Tom, Kaz, Peyton and Sarah scan the door as it opens but are forced to port to keep from being washed away.

During a high-risk scan quest, Tom Majors meets another Player named Tom and is dismayed to discover his namesake is taller, faster, and cooler. When CoolTom starts stealing his friends, he gets jealous and challenges him to a Chaotic match.

Tom promises to save the creatures of Prexxor Chasm from the disease ravaging them. Tom, Kaz, Peyton, and Sarah stop by Lake Morn to see its caretaker Garv, who may be able to help if he gets a sample of the disease.

When Kaz and Peyton are at the Lava Pond to obtain a scan of Zapetur, they are attacked by the M'arrillian Milla'iin, who is doing mysterious work with a hypnotized Khybon. Tom, Kaz and Peyton battle for the attention of a beautiful newbie named Shinwan who exhibits her skill in the Battledome by defeating Klay in her first ever drome match.

Tom, Kaz, and Peyton reach Broken Edge in hopes to find new Mugic and BattleGear for Tom's Drome Match.

H'earring leads Kaz to where Milla'iin was last sighted but ends up taken over by his mind control. Meanwhile, Tom is constantly bugged by Evan to battle Tom's Maxxor. Tom is informed by Sarah and Peyton he is an UnderWorld Player and Tom finds Milla'iin on his team.

Sarah and Kaz head to Ulmar's lab to get a scan for the Reality Field Generator. Peyton gets a call from CodeMaster Hotekk who would like Peyton to become his apprentice if he can prove himself worthy getting scans from Psikoom City.

After writing a school essay about how Chaotic is a real place, Kaz is sent to a psychologist by his worried mother. If Kaz can't prove he's telling the truth about Chaotic, his mother will take his scanner away.

Raznus, having been assimilated into the Danian Tribe, returns to Kiru City with Danian warriors. They are accidentally discovered underneath Bodal's arsenal and capture Tom, Bodal, and Olkiex. Odu-Bathax decides to raid Kiru City so Kaz runs off to get Maxxor, only for Intress to tell Kaz Maxxor is in the Riverlands.

Sarah is kidnapped by a ghostly Mipedian creature when she and Peyton are on a scan quest. Sobtjek and the other Mipedians learn the M'arrillians have flooded Ropa'Sahhk Desert where the Conjurers live from one of them, Scara. Scara advises they need to join forces with the Warriors of Owayki and Sobtjek takes a squad there.

During Kaz's second attempt to rescue H'earring, Chaor and the UnderWorlders plan to ambush the M'arrillians in a fiery trap involving Ulmar's Annihilizer near the oil-filled Marsh of Murk. Kaz ends up mind-controlled and Tom tries to rescue him while Sarah and Peyton look for a new battlegear called a Mindbander that can negate the hypnosis.

Tangath Toborn and his fellow OverWorlders must form an army from the Danians and the Mipedians. Meanwhile, Tom, Sarah, and Kaz go up against Peyton in a training drome match against Peyton's Erak'tabb. During the training, the OverWorlders, Danians, and Mipedians encounter Lystone who ended up controlled by the M'arrillians. After she is stopped, Tangath Toborn continues to train them.

The Codemasters initiate an emergency order to recall all Chaotic Players and shut down the Transport Systems as Perim is too dangerous with the M'arrillians about to conquer it. While Tangath Toborn leads a group to Glacier Plains to attack the M'arrillian base there trying to melt the glacier and flood the Overworld, Phelphor's army surrounds Kiru City.

The three go to Kiru City, where Najarin tells them he suspects Tartarek is a traitor to the alliance. Kaz, still in Chaotic, battles Tartawrecker to try to find proof. In M'arr, Chaor rescues Maxxor, they set aside their differences to capture Aa'une and succeed in taking him to Lake Blakeer.

With his powers enhanced from Lake Blakeer, Aa'une unleashes a devastating mindwave that races across the Overworld and reaches Kiru City, where the Tribal Allies watch in horror.

With the M'arrillians defeated, the Allied Tribes celebrate the new spirit of unity by staging a race through Perim. Though it's supposed to be a friendly competition, it quickly becomes clear that each Tribe wants one of their own Creatures to win... at any cost!

Confusion turns to shock for everyone when Krystella's "goody-goody" twin sister Jycella comes to Chaotic. And when their sibling rivalry erupts, Klay suggests a novel way of settling them: a Chaotic match.

It's good news/bad news time for Chaor. The good news: Ulmar's brand new giant robots are bigger and badder than ever. The bad news: they're totally out of control!

After a seventh, hard-won battle in the Hotekk Drome, Tom gets the call he's been waiting for: it's CodeMaster Hotekk, challenging him to a CodeMaster Match.

When CodeMaster Hotekk's defeated Creatures join forces, it looks like Tom won't win his latest CodeMaster Match. But a shocking series of amazing events allows Tom and his friends to transport to a strange, primitive location that ultimately unlocks a secret that could change the course of Chaotic history.

Troubled that the leader of the Ancient OverWorld is an ancestor of Chaor, Tom goes to see Najarin to learn more about the history of Perim. Puzzled by Najarin's strange behavior, Tom returns to Ancient Kiru City to discover it has been attacked by Kaal, a diabolical UnderWorlder who holds the pre-historic Perimites in his fiery clutches.

Kaz decides to settle some old Chaotic scores by playing a series of grudge matches with his Ancient Creature scans. But his friends worry that he may accidentally reveal their secret portal to the past. Kaz's rematch marathon is super-successful until he challenges the sinister Sam Shady, who has a secret of his own!

Just as a massive monument to Chaor is about to be completed, Ulmar nervously gives the UnderWorld leader some shocking news: Ulmar has created a new army of gigantic robots called "Gigantropers." But his battling behemoths are out of control... and they're marching toward the Iron Pillar with a plan for devastation that even Chaor can't stop!

Now that the secret of Dranakis Threshold is out, Krystella and Klay devise a devilishly clever plan for making their Ancient Creature scans the ultimate collectors' items. To reach their goal, they call on the evil exiled rebel Van Bloot and, together, hatch a scheme that will make him the leader who seals Perim's fate for all time!

Peyton becomes embroiled in international intrigue when he's kidnapped by a mysterious agent who informs him that his Chaotic expertise is the only thing that can persuade a notorious art forger to work for the forces of good.

Kaz's obsession with scanning Kaizeph, the Lost City of the Elements, leads each of the four friends on a perilous, personal ScanQuest to capture the code of the mysterious "Elemental Servants." They ultimately face off in a four-way battle to determine which Elemental Creature can conquer all the rest.

Maxxor is confronted with the most agonizing decision of his life when Batog, an unstoppable creature out for vengeance, invades the OverWorld and presents an impossible demand: unless he battles Tangath Toborn, Perim will be destroyed. With Tangath still trapped in the ice at Glacier Plains, Maxxor must choose between his friend's life or his world's survival!